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King Size Mattresses

King size mattresses measure 150cm x 200cm (5ft x 6ft 6) and offer slightly more space to enjoy your sleep. We have a range of great kingsize mattress deals including up to 60% off pocket sprung, memory foam and latex, plus free delivery for all our comfortable mattresses.

Our Top Picks

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Most recent reviews in Kingsize (5ft)

  • Review for Relyon Memory Original Mattress

    Superb product and service

    Bought a mattress from a local bed shop,at a much dearer price had it a month before giving it to a charity. Cannot believe the comfort and quality of the Relyon mattress,the speed it was delivered and the service I received from the lady I spoke to.

    posted by Dave (18/05/2014)

    Quality
    Price
    Comfort
  • Review for SALE - Sleepeezee Cool Comfort 1400 Mattress

    Love this mattress.

    High quality mattress, really comfortable. I would say it feels more firm than medium, but it is very comfortable. I am really pleased with the mattress and the quick delivery. The delivery man was very helpful . Definitely recommend this product and company.

    posted by Miss Turner (14/05/2014)

    Quality
    Price
    Comfort
  • Review for Shire eco SOUND Mattress

    Lovely good quality mattress, firm but moulds to the body

    Lovely mattress, best I've ever had. Slightly firm at first but in the night your body moulds in to it. Can't fault anything except its a heavy mattress.

    posted by Fionavu (20/04/2014)

    Comfort
    Quality
    Price

More on King Size

King size mattresses are becoming more and more popular on the market today and also more and more affordable. This mattress size larger than a traditional double mattress allows couples to share extra sleeping space for optimum comfort and is now produced by most of the manufacturers.

 

When choosing a new mattress, bear in mind that mattress sizes in the UK remain the same whichever manufacturer makes the mattress. This is sometimes not the case for divans and besteads. The industry standard for a king size mattress is 150cm x 200cm, which is 5’. European and North American sizes for kingsize can differ so be aware of this if you have imported your bed.

 

While mattress sizes are standardised in the UK bed industry, the depth of a king size mattress will depend on the structure and the fillings within the mattress. In most cases manufacturers use combinations of different fillings to offer different support and comfort levels on the various sleeping parts of the mattress.

 

Airsprung, Relyon, Joseph International or Healthbeds - whichever brand you choose, nearly all their mattresses will be available in a 5ft and you can choose from a variety of comfort levels, firmnesses, fillings, finishes and types. Including pocket sprung, memory foam and latex.